JPH0962816A - 非接触ｉｃカードおよびこれを含む非接触ｉｃカードシステム - Google Patents

非接触ｉｃカードおよびこれを含む非接触ｉｃカードシステム

Info

Publication number
JPH0962816A
JPH0962816A JP7244738A JP24473895A JPH0962816A JP H0962816 A JPH0962816 A JP H0962816A JP 7244738 A JP7244738 A JP 7244738A JP 24473895 A JP24473895 A JP 24473895A JP H0962816 A JPH0962816 A JP H0962816A
Authority
JP
Japan
Prior art keywords
card
phase
resonance circuit
contact
circuit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP7244738A
Other languages
English (en)
Japanese (ja)
Inventor
Atsuo Yamaguchi
敦男 山口
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP7244738A priority Critical patent/JPH0962816A/ja
Priority to TW084110293A priority patent/TW324868B/zh
Priority to US08/538,890 priority patent/US5698838A/en
Priority to EP95115711A priority patent/EP0706151B1/fr
Priority to DE69532399T priority patent/DE69532399T2/de
Priority to CN95117764A priority patent/CN1111299C/zh
Priority to KR1019950034376A priority patent/KR100223989B1/ko
Publication of JPH0962816A publication Critical patent/JPH0962816A/ja
Priority to US08/905,213 priority patent/US5801372A/en
Priority to US08/904,360 priority patent/US5831257A/en
Priority to US08/905,132 priority patent/US5874725A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/0008—General problems related to the reading of electronic memory record carriers, independent of its reading method, e.g. power transfer
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/0723—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips the record carrier comprising an arrangement for non-contact communication, e.g. wireless communication circuits on transponder cards, non-contact smart cards or RFIDs

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Near-Field Transmission Systems (AREA)
  • Credit Cards Or The Like (AREA)
JP7244738A 1994-10-06 1995-09-22 非接触ｉｃカードおよびこれを含む非接触ｉｃカードシステム Pending JPH0962816A (ja)

Priority Applications (10)

Application Number Priority Date Filing Date Title
JP7244738A JPH0962816A (ja) 1994-10-06 1995-09-22 非接触ｉｃカードおよびこれを含む非接触ｉｃカードシステム
TW084110293A TW324868B (en) 1994-10-06 1995-10-03 Non-contact type IC card and system thereof
US08/538,890 US5698838A (en) 1994-10-06 1995-10-04 Non-contact IC card including antenna circuit with adjustable resonant frequency
EP95115711A EP0706151B1 (fr) 1994-10-06 1995-10-05 Carte à circuit intégré sans contact
DE69532399T DE69532399T2 (de) 1994-10-06 1995-10-05 Kontaktlose IC-Karte
CN95117764A CN1111299C (zh) 1994-10-06 1995-10-06 非接触式ic卡与非接触式ic卡系统
KR1019950034376A KR100223989B1 (ko) 1994-10-06 1995-10-06 비접촉형 ic 카드 및 그 시스템
US08/905,213 US5801372A (en) 1994-10-06 1997-08-01 Non-contact IC card with antenna switching circuit
US08/904,360 US5831257A (en) 1994-10-06 1997-08-01 Non-contact IC card including phase-locked loop circuitry
US08/905,132 US5874725A (en) 1994-10-06 1997-08-01 Non-contact IC card with phase variation detector

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
JP6-243097 1994-10-06
JP24309794 1994-10-06
JP6-307834 1994-12-12
JP30783494 1994-12-12
JP14781795 1995-06-14
JP7-147817 1995-06-14
JP7244738A JPH0962816A (ja) 1994-10-06 1995-09-22 非接触ｉｃカードおよびこれを含む非接触ｉｃカードシステム

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2005040518A Division JP3900299B2 (ja) 1994-10-06 2005-02-17 非接触ｉｃカード

Publications (1)

Publication Number Publication Date
JPH0962816A true JPH0962816A (ja) 1997-03-07

Family

ID=27472810

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7244738A Pending JPH0962816A (ja) 1994-10-06 1995-09-22 非接触ｉｃカードおよびこれを含む非接触ｉｃカードシステム

Country Status (7)

Country Link
US (4) US5698838A (fr)
EP (1) EP0706151B1 (fr)
JP (1) JPH0962816A (fr)
KR (1) KR100223989B1 (fr)
CN (1) CN1111299C (fr)
DE (1) DE69532399T2 (fr)
TW (1) TW324868B (fr)

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09298485A (ja) * 1996-04-30 1997-11-18 Yamatake Honeywell Co Ltd 非接触データ送受信方法およびその装置
JPH10145987A (ja) * 1996-09-13 1998-05-29 Hitachi Ltd 電力伝送システムおよびｉｃカード並びにｉｃカードを用いた情報通信システム
WO1998053423A1 (fr) * 1997-05-19 1998-11-26 Rohm Co., Ltd. Dispositif de reponse dans un systeme de communication a carte a circuit integre
WO1998058347A1 (fr) * 1997-06-18 1998-12-23 Mitsubishi Denki Kabushiki Kaisha Syteme de cartes a circuit integre sans contact et carte a circuit integre sans contact
JP2000270501A (ja) * 1999-03-19 2000-09-29 Nippon Telegr & Teleph Corp <Ntt> 基地局通信装置、及び携帯無線通信装置への電力供給方法
JP2000341884A (ja) * 1999-04-07 2000-12-08 Stmicroelectronics Sa 非常に密な結合で動作する電磁トランスポンダ
US6164532A (en) * 1997-05-15 2000-12-26 Hitachi, Ltd. Power transmission system, power transmission/communication system and reader and/or writer
US6176433B1 (en) * 1997-05-15 2001-01-23 Hitachi, Ltd. Reader/writer having coil arrangements to restrain electromagnetic field intensity at a distance
US6321067B1 (en) 1996-09-13 2001-11-20 Hitachi, Ltd. Power transmission system IC card and information communication system using IC card
US6894602B2 (en) 1998-03-30 2005-05-17 Intel Corporation System and method for active detection of connection to a network
KR100540890B1 (ko) * 2000-12-22 2006-01-10 한국전자통신연구원 비접촉식 ｉｃ 카드 시스템의 비접촉식 ｉｃ 카드 리더
WO2006115196A1 (fr) * 2005-04-22 2006-11-02 Daifuku Co., Ltd. Circuit de reception d'energie cote secondaire d'un equipement d'alimentation electrique sans contact
JP2007094886A (ja) * 2005-09-29 2007-04-12 Keyence Corp 無線タグリーダ／ライタ及び無線タグリード／ライト方法
JP2008104295A (ja) * 2006-10-19 2008-05-01 Voltex:Kk 非接触電源装置
JP2012165602A (ja) * 2011-02-08 2012-08-30 Renesas Electronics Corp 電力伝送装置
US8285224B2 (en) 2007-07-26 2012-10-09 Tdk Corporation Transmitter/receiver for radio communication, RFID system and receiving method for transmitter/receiver for radio communication
KR101226213B1 (ko) * 2005-08-23 2013-01-28 인사이드 씨큐어 전원공급장치의 전압 추출 수단을 포함하는 유도성 결합리더
JP2014023328A (ja) * 2012-07-20 2014-02-03 Heads Corp 非接触給電装置
JP2015517794A (ja) * 2012-05-20 2015-06-22 アクセス ビジネス グループ インターナショナル リミテッド ライアビリティ カンパニー ワイヤレス電源システムにおいて通信を行うシステム及び方法
US9124120B2 (en) 2007-06-11 2015-09-01 Qualcomm Incorporated Wireless power system and proximity effects
US9774086B2 (en) 2007-03-02 2017-09-26 Qualcomm Incorporated Wireless power apparatus and methods
JP2018074903A (ja) * 2012-01-24 2018-05-10 アクセス ビジネス グループ インターナショナル リミテッド ライアビリティ カンパニー 無線電力コントロール・システム
JP2024504725A (ja) * 2021-01-28 2024-02-01 ニューカレント インコーポレイテッド 高められた通信の忠実度に関して信号を選択的にダンピングするためのワイヤレス送電システム及び方法

Families Citing this family (130)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0981701A (ja) * 1995-09-19 1997-03-28 Toshiba Corp 非接触式情報記録媒体および非接触式情報伝送方法
DE19629646C2 (de) * 1996-07-23 1998-09-10 Wolf Gmbh Richard Verfahren und Vorrichtung zur automatischen Identifikation von Komponenten medizinischer Gerätesysteme
US5949823A (en) * 1996-09-13 1999-09-07 Hitachi, Ltd. Data communication system and radio IC card system
JPH10187916A (ja) * 1996-12-27 1998-07-21 Rohm Co Ltd 非接触ｉｃカード通信システムにおける応答器
US5930304A (en) * 1997-03-20 1999-07-27 Motorola, Inc. Wireless powered communication device with adaptive data detection and method
EP0886232B1 (fr) * 1997-06-20 2007-09-05 Hitachi, Ltd. Lecteur-enregistreur, système d'alimentation et système de communication
JPH1166248A (ja) * 1997-08-12 1999-03-09 Mitsubishi Electric Corp 非接触型ｉｃカード
FR2768875B1 (fr) * 1997-09-23 2000-06-02 Sgs Thomson Microelectronics Detecteur de signaux radiofrequence pour carte a puce sans contact
GB2330957B (en) * 1997-11-01 2002-06-05 Motorola Inc Power supply clamp and method in a smartcard
US6211799B1 (en) * 1997-11-06 2001-04-03 Massachusetts Institute Of Technology Method and apparatus for transbody transmission of power and information
WO1999038114A1 (fr) * 1998-01-23 1999-07-29 Motorola Inc. Dispositif portable de stockage de donnees et procede de commutation entre un mode de fonctionnement alimentation et un mode de fonctionnement donnees
EP1057277B1 (fr) 1998-01-29 2007-04-25 Magellan Technology Pty. Limited Emetteur-recepteur
US8108307B1 (en) 1998-03-30 2012-01-31 Citicorp Development Center, Inc. System, method and apparatus for value exchange utilizing value-storing applications
EP0949593A2 (fr) 1998-03-30 1999-10-13 Citicorp Development Center Système, méthode et appareil pour l'échange de valeurs, utilisant un dispositif de stockage de valeurs
FR2776865B1 (fr) * 1998-03-31 2000-05-05 Commissariat Energie Atomique Dispositif de teletransmission par couplage inductif
FR2778521B1 (fr) * 1998-05-06 2000-06-16 Sgs Thomson Microelectronics Circuit codeur bpsk
DE19827691C1 (de) * 1998-06-22 2000-01-13 Skidata Ag Verfahren zur Kommunikation zwischen berührungslos arbeitenden Datenträgern und Endgeräten
FR2780221B1 (fr) 1998-06-22 2000-09-29 Sgs Thomson Microelectronics Emission d'une consigne de fonctionnement par une ligne d'alimentation alternative
FR2780220A1 (fr) 1998-06-22 1999-12-24 Sgs Thomson Microelectronics Transmission de donnees numeriques sur une ligne d'alimentation alternative
FR2781074B1 (fr) * 1998-07-08 2006-04-28 Commissariat Energie Atomique Interface analogique pour circuit d'echange d'informations autonome
US6173897B1 (en) * 1998-07-27 2001-01-16 John W. Halpern Universal card interface module for contact free cards
US6704608B1 (en) * 1998-07-31 2004-03-09 Matsushita Electric Industrial Co., Ltd. Portable body used in two way, communication system, communication method, terminal, computer-readable recorded medium on which program is recorded
JP3649374B2 (ja) * 1998-11-30 2005-05-18 ソニー株式会社 アンテナ装置及びカード状記憶媒体
FR2787260B1 (fr) * 1998-12-09 2003-01-24 Gemplus Card Int Dispositif electronique de communication sans contact a source d'energie auxiliaire optionnelle
TW484101B (en) * 1998-12-17 2002-04-21 Hitachi Ltd Semiconductor device and its manufacturing method
AU1765500A (en) * 1998-12-23 2000-07-31 Corporation Hypersecur Inc. Transceiver interface with selective secure and insecure data exchange modes
DE60042139D1 (de) * 1999-02-19 2009-06-18 Nippon Telegraph & Telephone Kontaktlose Chipkarte und System hierfür
FR2792134B1 (fr) 1999-04-07 2001-06-22 St Microelectronics Sa Detection de distance entre un transpondeur electromagnetique et une borne
US6650226B1 (en) * 1999-04-07 2003-11-18 Stmicroelectronics S.A. Detection, by an electromagnetic transponder reader, of the distance separating it from a transponder
FR2792135B1 (fr) 1999-04-07 2001-11-02 St Microelectronics Sa Fonctionnement en complage tres proche d'un systeme a transpondeur electromagnetique
FR2792132B1 (fr) 1999-04-07 2001-11-02 St Microelectronics Sa Borne de lecture d'un transpondeur electromagnetique fonctionnant en couplage tres proche
FR2792136B1 (fr) 1999-04-07 2001-11-16 St Microelectronics Sa Transmission en duplex dans un systeme de transpondeurs electromagnetiques
US6659352B1 (en) * 1999-06-02 2003-12-09 Matsushita Electric Industrial Co., Ltd. Semiconductor integrated circuit, a contactless information medium having the semiconductor integrated circuit, and a method of driving the semiconductor integrated circuit
FR2795891B1 (fr) * 1999-07-01 2007-04-20 France Telecom Composant micro-electronique integrant des moyens de traitement numerique asynchrone et une interface de couplage electromagnetique sans contact
US6134130A (en) * 1999-07-19 2000-10-17 Motorola, Inc. Power reception circuits for a device receiving an AC power signal
US7049935B1 (en) 1999-07-20 2006-05-23 Stmicroelectronics S.A. Sizing of an electromagnetic transponder system for a dedicated distant coupling operation
FR2796781A1 (fr) * 1999-07-20 2001-01-26 St Microelectronics Sa Dimensionnement d'un systeme a transpondeur electromagnetique pour un fonctionnement en hyperproximite
JP3824451B2 (ja) * 1999-07-29 2006-09-20 富士通株式会社 非接触ｉｃカードの有無検出回路
DE60037989T2 (de) 1999-09-22 2009-02-26 Em Microelectronic-Marin S.A., Marin Transponder für unterschiedliche Einsatzzwecke
EP1087332B1 (fr) * 1999-09-22 2008-02-13 EM Microelectronic-Marin SA Transpondeur destiné à plusieurs applications différentes
WO2001031557A1 (fr) * 1999-10-22 2001-05-03 Koninklijke Philips Electronics N.V. Porteuse de donnees comprenant des organes de modulation de charge et une meilleure alimentation dans le processus de modulation de charge
ATE337588T1 (de) * 1999-12-16 2006-09-15 Infineon Technologies Ag Chipkarte mit zwei demodulationseinrichtungen
FR2804557B1 (fr) * 2000-01-31 2003-06-27 St Microelectronics Sa Adaptation de la puissance d'emission d'un lecteur de transpondeur electromagnetique
DE50015169D1 (de) * 2000-03-22 2008-07-03 Infineon Technologies Ag Chipkarte
JP2003532241A (ja) * 2000-05-05 2003-10-28 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ その共振回路の共振周波数を変更させる手段を備えるデータキャリヤ
FR2808945B1 (fr) 2000-05-12 2002-08-16 St Microelectronics Sa Evaluation du nombre de transpondeurs electromagnetiques dans le champ d'un lecteur
FR2808941B1 (fr) 2000-05-12 2002-08-16 St Microelectronics Sa Validation de la presence d'un transpondeur electromagnetique dans le champ d'un lecteur a demodulation d'amplitude
FR2808942B1 (fr) * 2000-05-12 2002-08-16 St Microelectronics Sa Validation de la presence d'un transpondeur electromagnetique dans le champ d'un lecteur a demodulation de phase
FR2808946A1 (fr) 2000-05-12 2001-11-16 St Microelectronics Sa Validation de la presence d'un transpondeur electromagnetique dans le champ d'un lecteur
FR2809251B1 (fr) * 2000-05-17 2003-08-15 St Microelectronics Sa Dispositif de production d'un champ electromagnetique pour transpondeur
FR2809235A1 (fr) * 2000-05-17 2001-11-23 St Microelectronics Sa Antenne de generation d'un champ electromagnetique pour transpondeur
FR2812986B1 (fr) * 2000-08-09 2002-10-31 St Microelectronics Sa Detection d'une signature electrique d'un transpondeur electromagnetique
US20030169169A1 (en) 2000-08-17 2003-09-11 Luc Wuidart Antenna generating an electromagnetic field for transponder
JP3818045B2 (ja) * 2000-10-20 2006-09-06 株式会社日立製作所 改札機
FR2820532A1 (fr) * 2001-02-02 2002-08-09 Tagproduct Dispositif de communication sans contact avec une etiquette electronique
DE10162310A1 (de) * 2001-12-19 2003-07-03 Philips Intellectual Property Verfahren und Anordnung zur Übertragung von Signalen von erzeugenden Funktionseinheiten an verarbeitende Funktionseinheiten elektrischer Schaltungen
CN100337245C (zh) * 2002-02-01 2007-09-12 皇家飞利浦电子股份有限公司 数据载体及其集成电路
FR2835946A1 (fr) * 2002-02-11 2003-08-15 St Microelectronics Sa Transpondeur electromagnetique a code programmable
US6906612B2 (en) * 2002-04-11 2005-06-14 Lear Corporation System and method for vehicle passive entry having inside/outside detection
JP2004132890A (ja) * 2002-10-11 2004-04-30 Fujitsu Component Ltd 非接触ｉｃカードリーダ／ライタ装置、非接触ｉｃカード、入力装置、及び非接触ｉｃカードの位置算出方法
US6882236B2 (en) * 2002-11-05 2005-04-19 Magneto-Inductive Systems Limited Dynamically tuned amplifier for frequency shift keyed signals
JP2004166384A (ja) * 2002-11-12 2004-06-10 Sharp Corp 非接触型給電システムにおける電磁結合特性調整方法、給電装置、および非接触型給電システム
JP4564239B2 (ja) * 2003-04-11 2010-10-20 オリンパス株式会社 内視鏡装置
JP4104502B2 (ja) * 2003-07-25 2008-06-18 アルプス電気株式会社 パッシブキーレスエントリ装置
EP1667336B1 (fr) * 2003-09-19 2013-05-01 Brother Kogyo Kabushiki Kaisha Lecteur-enregistreur pour radio-emetteur
JP2005117153A (ja) * 2003-10-03 2005-04-28 Toshiba Corp 無線通信装置、無線通信方法、及び無線通信媒体
EP1709573A4 (fr) 2004-01-30 2014-05-07 Semiconductor Energy Lab Appareil a semi-conducteur
JP4392256B2 (ja) * 2004-02-05 2009-12-24 株式会社ルネサステクノロジ 半導体集積回路装置及び非接触型ｉｃカード
JP2005229512A (ja) * 2004-02-16 2005-08-25 Seiko Epson Corp データ通信システム、データ通信装置、非接触通信媒体およびデータ通信装置制御プログラム
DE102004014203B4 (de) * 2004-03-23 2006-02-02 Infineon Technologies Ag Kontaktloser Datenträger mit Stromdemodulation
KR100663376B1 (ko) * 2004-07-23 2007-01-02 주식회사 모팩소프트 무선 통신 장치 및 그 방법
GB2465298B (en) * 2004-09-24 2010-06-30 Vision Rt Ltd Image processing system for use with a patient positioning device
FR2879382A1 (fr) * 2004-12-14 2006-06-16 St Microelectronics Sa Detection d'erreurs dans un signal en modulation d'amplitude
US7490817B2 (en) * 2005-01-04 2009-02-17 Bfs Diversified Products Llc Distance indicating system and method
DE602006011454D1 (de) * 2005-03-30 2010-02-11 Nxp Bv Integrierte schaltung mit externer schaltfunktionalität
US7364144B2 (en) * 2005-04-27 2008-04-29 Bfs Diversified Products, Llc Sensing and communication system and method
DE102005020101A1 (de) * 2005-04-29 2007-01-25 Giesecke & Devrient Gmbh Tragbarer Datenträger und Verfahren zum Betreiben eines tragbaren Datenträgers
CN101189624A (zh) * 2005-05-23 2008-05-28 Nxp股份有限公司 电子通信系统、具体是认证控制系统及相应的方法
DE102005044194B4 (de) * 2005-09-09 2007-11-15 Infineon Technologies Ag Messvorrichtung und Verfahren zum Messen von relativen Phasenlagen von digitalen Signalen
US7420462B2 (en) * 2006-01-23 2008-09-02 Bfs Diversified Products, Llc Air spring distance indicating system and method
WO2007090114A2 (fr) * 2006-02-01 2007-08-09 Vitaly Drucker Etiquette rfid, interrogateur et systeme de codage et de decodage de symboles ameliores
US7733239B2 (en) * 2006-05-08 2010-06-08 Bfs Diversified Products, Llc Distance determining system and method
CN101149816B (zh) * 2006-09-20 2010-05-26 鸿富锦精密工业（深圳）有限公司 具有磁场过强保护功能的无源射频识别芯片
JP5325415B2 (ja) * 2006-12-18 2013-10-23 株式会社半導体エネルギー研究所 半導体装置
US7554473B2 (en) * 2007-05-02 2009-06-30 Cirrus Logic, Inc. Control system using a nonlinear delta-sigma modulator with nonlinear process modeling
US8331864B2 (en) 2007-05-30 2012-12-11 Nxp B.V. RFID device, RFID system and signal distortion pre-compensation process in RFID systems
JP4285576B1 (ja) * 2007-12-04 2009-06-24 オムロン株式会社 非接触ｉｃ媒体通信装置とその方法、およびそのプログラム
US8576589B2 (en) 2008-01-30 2013-11-05 Cirrus Logic, Inc. Switch state controller with a sense current generated operating voltage
ITMO20080053A1 (it) * 2008-02-29 2009-09-01 Alma Mater Studiorum Uni Di Bologna Metodo e apparato per la comunicazione in sistemi rfid a banda ultra-larga
ATE528727T1 (de) * 2008-05-19 2011-10-15 Nxp Bv Rfid-transponder
US8222872B1 (en) * 2008-09-30 2012-07-17 Cirrus Logic, Inc. Switching power converter with selectable mode auxiliary power supply
WO2010041189A1 (fr) * 2008-10-09 2010-04-15 Nxp B.V. Antenne pourvue d’un élément de commutation contrôlable reliant deux parties d’antenne
JP4668315B2 (ja) * 2008-12-02 2011-04-13 フェリカネットワークス株式会社 情報処理装置、通信制御方法、およびプログラム
SI23044A (sl) * 2009-04-14 2010-10-29 Ids D.O.O. Postopek in vezje za amplitudno moduliranje nosilnega signala s predpisanim modulacijskim faktorjem
JP5278197B2 (ja) * 2009-06-29 2013-09-04 ソニー株式会社 非接触通信装置および非接触通信方法
US9178415B1 (en) 2009-10-15 2015-11-03 Cirrus Logic, Inc. Inductor over-current protection using a volt-second value representing an input voltage to a switching power converter
US8487591B1 (en) 2009-12-31 2013-07-16 Cirrus Logic, Inc. Power control system with power drop out immunity and uncompromised startup time
US8313028B2 (en) 2010-02-17 2012-11-20 On Track Innovations Ltd. Multiple antenna reading system suitable for use with contactless transaction devices
US8195236B2 (en) 2010-06-16 2012-06-05 On Track Innovations Ltd. Retrofit contactless smart SIM functionality in mobile communicators
US8729811B2 (en) 2010-07-30 2014-05-20 Cirrus Logic, Inc. Dimming multiple lighting devices by alternating energy transfer from a magnetic storage element
US8866452B1 (en) 2010-08-11 2014-10-21 Cirrus Logic, Inc. Variable minimum input voltage based switching in an electronic power control system
US9510401B1 (en) 2010-08-24 2016-11-29 Cirrus Logic, Inc. Reduced standby power in an electronic power control system
US8424757B2 (en) 2010-12-06 2013-04-23 On Track Innovations Ltd. Contactless smart SIM functionality retrofit for mobile communication device
JP5844631B2 (ja) * 2010-12-15 2016-01-20 東海旅客鉄道株式会社 受電装置、及び受電方法
WO2012167127A1 (fr) 2011-06-03 2012-12-06 Cirrus Logic, Inc. Détermination de données de commande à partir d'une détection côté primaire d'une tension côté secondaire dans un convertisseur de puissance de commutation
US9351356B2 (en) 2011-06-03 2016-05-24 Koninklijke Philips N.V. Primary-side control of a switching power converter with feed forward delay compensation
JP5834655B2 (ja) * 2011-09-09 2015-12-24 ソニー株式会社 送信装置、送受信装置、及び集積回路
WO2013048034A1 (fr) 2011-09-29 2013-04-04 Lg Innotek Co., Ltd. Émetteur de puissance sans fil, récepteur de puissance sans fil et procédé de commande d'impédance
DE102011115721B4 (de) * 2011-10-12 2022-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. System zur drahtlosen Energieübertragung
CN102364500B (zh) * 2011-10-18 2015-07-29 山东华翼微电子技术股份有限公司 无源rfid或非接触式智能卡芯片动态频率调整电路
EP2597773B1 (fr) * 2011-11-25 2014-06-11 Oticon A/s Transmetteur RF pour antenne courte électrique
EP2792059B1 (fr) 2011-12-14 2020-07-15 Signify Holding B.V. Isolation du courant d'un bobinage secondaire de transformateur pendant la production d'une alimentation électrique auxiliaire
US9520794B2 (en) 2012-07-25 2016-12-13 Philips Lighting Holding B.V Acceleration of output energy provision for a load during start-up of a switching power converter
CN103048538B (zh) * 2012-11-29 2015-07-22 焦作市神盾科技有限公司 射频卡综合频率测试方法和实现该方法的测试仪
KR102076586B1 (ko) 2013-03-07 2020-02-13 삼성전자주식회사 근거리 무선 통신 장치 및 이를 포함하는 전자 시스템
US9024541B2 (en) 2013-03-07 2015-05-05 Cirrus Logic, Inc. Utilizing secondary-side conduction time parameters of a switching power converter to provide energy to a load
WO2014186765A1 (fr) 2013-05-17 2014-11-20 Cirrus Logic, Inc. Commande de broche unique d'étage de puissance à transistor bipolaire à jonctions (bjt)
WO2014186776A1 (fr) 2013-05-17 2014-11-20 Cirrus Logic, Inc. Circuit à pompe de charge pour l'alimentation électrique par un transistor à jonctions bipolaires (bjt)
EP2830229B1 (fr) * 2013-07-25 2017-04-19 Nxp B.V. Transpondeur multicanaux et procédé permettant de déterminer un canal couplé plus fortement ou plusieurs canaux fortement couplés
WO2015017315A1 (fr) 2013-07-29 2015-02-05 Cirrus Logic, Inc. Compensation d'une période de recouvrement inverse d'un transistor bipolaire à jonctions (bjt) lors du fonctionnement en mode commutateur d'une ampoule à base de diodes électroluminescentes (del)
WO2015017317A2 (fr) 2013-07-29 2015-02-05 Cirrus Logic, Inc. Deux bornes d'excitation de transistor à jonctions bipolaires (bjt) pour fonctionnement en mode commutation d'une ampoule électrique à base de diode électroluminescente (del)
US9161401B1 (en) 2014-03-20 2015-10-13 Cirrus Logic, Inc. LED (light-emitting diode) string derived controller power supply
EP2930647B1 (fr) 2014-04-11 2018-08-08 Nxp B.V. Dispositif de communication sans contact avec stabilisation de tension d'entrée du récepteur
US9214862B2 (en) 2014-04-17 2015-12-15 Philips International, B.V. Systems and methods for valley switching in a switching power converter
KR102232725B1 (ko) 2014-08-04 2021-03-26 삼성전자주식회사 Nfc 장치의 동작 방법 및 nfc 장치
US9325236B1 (en) 2014-11-12 2016-04-26 Koninklijke Philips N.V. Controlling power factor in a switching power converter operating in discontinuous conduction mode
US9504118B2 (en) 2015-02-17 2016-11-22 Cirrus Logic, Inc. Resistance measurement of a resistor in a bipolar junction transistor (BJT)-based power stage
US9603206B2 (en) 2015-02-27 2017-03-21 Cirrus Logic, Inc. Detection and control mechanism for tail current in a bipolar junction transistor (BJT)-based power stage
US9609701B2 (en) 2015-02-27 2017-03-28 Cirrus Logic, Inc. Switch-mode drive sensing of reverse recovery in bipolar junction transistor (BJT)-based power converters
CN112649784B (zh) * 2020-12-07 2023-07-04 西华大学 一种基于标签等效阻抗模型的无源射频标签测距技术

Family Cites Families (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7802132A (nl) * 1978-02-27 1979-08-29 Philips Nv Draagbaar element voor het opnemen, onthouden, afbeelden en afgeven van digitale informatie en reserveerinrichting voor gebruik in een reser- veringssysteem.
US4388524A (en) * 1981-09-16 1983-06-14 Walton Charles A Electronic identification and recognition system with code changeable reactance
JPS58151722A (ja) * 1982-03-05 1983-09-09 Arimura Giken Kk データ送信装置
JPS58154081A (ja) * 1982-03-05 1983-09-13 Arimura Giken Kk 信号発生装置
JPS58154080A (ja) * 1982-03-05 1983-09-13 Arimura Giken Kk 識別信号発生装置
US4546241A (en) * 1982-12-10 1985-10-08 Walton Charles A Electronic proximity identification system
GB8509135D0 (en) * 1985-04-10 1985-05-15 Gen Electric Co Plc Transaction system
US4837556A (en) * 1985-04-15 1989-06-06 Kabushiki Kaisha Nihon Denzai Kogyo Kenkyusho Signal transmission device
JPS62179994A (ja) * 1986-02-04 1987-08-07 カシオ計算機株式会社 電子カ−ド
DE3707173A1 (de) * 1986-03-07 1987-09-10 Iskra Sozd Elektro Indus Schaltungsanordnung einer lesevorrichtung fuer elektromagnetische identifikationskarten
US4797541A (en) * 1986-04-14 1989-01-10 American Telephone and Telegraph Company--AT&T Information Systems Power regulator for a contactless credit card system
NL8601021A (nl) * 1986-04-22 1987-11-16 Nedap Nv Programmeerbare responder.
GB2197107B (en) * 1986-11-03 1990-12-12 Mars Inc Data-storing devices
JPS63221951A (ja) * 1987-03-06 1988-09-14 Omron Tateisi Electronics Co 物品識別システム
US4918296A (en) * 1987-03-06 1990-04-17 Omron Tateisi Electronics Company Article identifying system
US4918416A (en) * 1987-03-18 1990-04-17 Sielox Systems, Inc. Electronic proximity identification system
IL82025A (en) * 1987-03-27 1993-07-08 Galil Electro Ltd Electronic data communications system
CA1326889C (fr) * 1987-11-18 1994-02-08 Graham Alexander Munro Murdoch Transpondeur
ATE131292T1 (de) * 1988-02-04 1995-12-15 Magellan Corp Australia Shuntregelvorrichtung.
JPH01123269U (fr) * 1988-02-16 1989-08-22
US5227740A (en) * 1989-05-05 1993-07-13 Texas Instruments Deutschland Gmbh Oscillation maintenance circuit
US5126745A (en) * 1989-05-05 1992-06-30 Texas Instruments Deutschland Gmbh Circuit arrangement for generating a control signal in dependence upon the occurrence of an extreme value of a sinusoidal oscillation and use of such a circuit arrangement
JPH03171384A (ja) * 1989-11-30 1991-07-24 Sony Corp 情報読取装置
JPH0772907B2 (ja) * 1989-12-21 1995-08-02 三菱電機株式会社 マイクロコンピュータ及びこれを用いた非接触ｉｃカード
JP2569194B2 (ja) * 1990-03-13 1997-01-08 三菱電機株式会社 マイクロコンピュータ及びこれを用いた非接触ｉｃカード
JP2527267B2 (ja) * 1990-04-19 1996-08-21 三菱電機株式会社 非接触型可搬担体
US5241160A (en) * 1990-12-28 1993-08-31 On Track Innovations Ltd. System and method for the non-contact transmission of data
EP0510220B1 (fr) * 1991-04-23 1996-12-04 Siemens Aktiengesellschaft Dispositif de transmission d'énergie et de données sans contact
JPH0528330A (ja) * 1991-07-24 1993-02-05 Mitsubishi Electric Corp 非接触型可搬担体及びその初期化方法
JPH05128319A (ja) * 1991-11-06 1993-05-25 Mitsubishi Electric Corp 情報カードシステム
JPH05128324A (ja) * 1991-11-07 1993-05-25 Mitsubishi Electric Corp 非接触カード、非接触カード用端末機及び非接触伝送システム
JPH05135224A (ja) * 1991-11-08 1993-06-01 Omron Corp 非接触通信装置
EP0542229B1 (fr) * 1991-11-12 2002-06-05 Dai Nippon Printing Co., Ltd. Méthode de communication entre un support d'enregistrement à semi-conducteur et un dispositif de lecture/écriture
JP2690229B2 (ja) * 1991-11-26 1997-12-10 三菱電機株式会社 非接触ｉｃカード
DE4227551A1 (de) * 1992-08-20 1994-02-24 Eurosil Electronic Gmbh Chip-Karte mit Feldstärkedetektor
US5434396A (en) * 1992-11-10 1995-07-18 Xicor Inc. Wireless powering and communication system for communicating data between a host system and a stand-alone device
JP2896031B2 (ja) * 1992-12-28 1999-05-31 三菱電機株式会社 非接触ｉｃカードの端末機および非接触ｉｃカードシステム
JPH087059A (ja) * 1994-06-21 1996-01-12 Sony Chem Corp 非接触情報カード
US5451763A (en) * 1994-07-05 1995-09-19 Alto Corporation Personal medical IC card and read/write unit
JPH08102701A (ja) * 1994-09-30 1996-04-16 Toshiba Corp 磁気結合回路駆動方式

Cited By (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09298485A (ja) * 1996-04-30 1997-11-18 Yamatake Honeywell Co Ltd 非接触データ送受信方法およびその装置
US6427065B1 (en) 1996-09-13 2002-07-30 Hitachi, Ltd. Power transmission system, IC card and information communication system using IC card
JPH10145987A (ja) * 1996-09-13 1998-05-29 Hitachi Ltd 電力伝送システムおよびｉｃカード並びにｉｃカードを用いた情報通信システム
US6321067B1 (en) 1996-09-13 2001-11-20 Hitachi, Ltd. Power transmission system IC card and information communication system using IC card
CN1099654C (zh) * 1997-05-15 2003-01-22 株式会社日立制作所 功率传送系统,功率传送/通信系统和读取器和/或写入器
US6164532A (en) * 1997-05-15 2000-12-26 Hitachi, Ltd. Power transmission system, power transmission/communication system and reader and/or writer
US6176433B1 (en) * 1997-05-15 2001-01-23 Hitachi, Ltd. Reader/writer having coil arrangements to restrain electromagnetic field intensity at a distance
WO1998053423A1 (fr) * 1997-05-19 1998-11-26 Rohm Co., Ltd. Dispositif de reponse dans un systeme de communication a carte a circuit integre
US6601770B1 (en) 1997-05-19 2003-08-05 Rohm Co., Ltd. Response device in contact/contactless IC card communication system
US6747548B1 (en) 1997-06-18 2004-06-08 Mitsubishi Denki Kabushiki Kaisha Non-contact IC card system and non-contact IC card
WO1998058347A1 (fr) * 1997-06-18 1998-12-23 Mitsubishi Denki Kabushiki Kaisha Syteme de cartes a circuit integre sans contact et carte a circuit integre sans contact
US6894602B2 (en) 1998-03-30 2005-05-17 Intel Corporation System and method for active detection of connection to a network
US7119701B2 (en) 1998-03-30 2006-10-10 Intel Corporation Techniques for detection of an active connection to a network
JP2000270501A (ja) * 1999-03-19 2000-09-29 Nippon Telegr & Teleph Corp <Ntt> 基地局通信装置、及び携帯無線通信装置への電力供給方法
JP2000341884A (ja) * 1999-04-07 2000-12-08 Stmicroelectronics Sa 非常に密な結合で動作する電磁トランスポンダ
KR100540890B1 (ko) * 2000-12-22 2006-01-10 한국전자통신연구원 비접촉식 ｉｃ 카드 시스템의 비접촉식 ｉｃ 카드 리더
WO2006115196A1 (fr) * 2005-04-22 2006-11-02 Daifuku Co., Ltd. Circuit de reception d'energie cote secondaire d'un equipement d'alimentation electrique sans contact
JP4539718B2 (ja) * 2005-04-22 2010-09-08 株式会社ダイフク 無接触給電設備の２次側受電回路
TWI406470B (zh) * 2005-04-22 2013-08-21 大福股份有限公司 無接觸供電設備的二次側電力接收電路
JPWO2006115196A1 (ja) * 2005-04-22 2008-12-18 株式会社ダイフク 無接触給電設備の２次側受電回路
KR101226213B1 (ko) * 2005-08-23 2013-01-28 인사이드 씨큐어 전원공급장치의 전압 추출 수단을 포함하는 유도성 결합리더
JP2007094886A (ja) * 2005-09-29 2007-04-12 Keyence Corp 無線タグリーダ／ライタ及び無線タグリード／ライト方法
JP2008104295A (ja) * 2006-10-19 2008-05-01 Voltex:Kk 非接触電源装置
US9774086B2 (en) 2007-03-02 2017-09-26 Qualcomm Incorporated Wireless power apparatus and methods
US9124120B2 (en) 2007-06-11 2015-09-01 Qualcomm Incorporated Wireless power system and proximity effects
US8285224B2 (en) 2007-07-26 2012-10-09 Tdk Corporation Transmitter/receiver for radio communication, RFID system and receiving method for transmitter/receiver for radio communication
JP2012165602A (ja) * 2011-02-08 2012-08-30 Renesas Electronics Corp 電力伝送装置
JP2018074903A (ja) * 2012-01-24 2018-05-10 アクセス ビジネス グループ インターナショナル リミテッド ライアビリティ カンパニー 無線電力コントロール・システム
JP2015517794A (ja) * 2012-05-20 2015-06-22 アクセス ビジネス グループ インターナショナル リミテッド ライアビリティ カンパニー ワイヤレス電源システムにおいて通信を行うシステム及び方法
US10250083B2 (en) 2012-05-20 2019-04-02 Philips Ip Ventures B.V. System and method for communication in wireless power supply systems
JP2014023328A (ja) * 2012-07-20 2014-02-03 Heads Corp 非接触給電装置
JP2024504725A (ja) * 2021-01-28 2024-02-01 ニューカレント インコーポレイテッド 高められた通信の忠実度に関して信号を選択的にダンピングするためのワイヤレス送電システム及び方法

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TW324868B (en) 1998-01-11
EP0706151A2 (fr) 1996-04-10
KR100223989B1 (ko) 1999-10-15
KR960015323A (ko) 1996-05-22
US5831257A (en) 1998-11-03
US5698838A (en) 1997-12-16
EP0706151A3 (fr) 1996-12-18
DE69532399T2 (de) 2004-10-21
US5801372A (en) 1998-09-01

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